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TEST REORT ST/SG/AC.10/11 Rev.5 Section 38.3 AMEDMETS TO THE FIFTH REVISED EDITIO OF THE RECOMMEDATIOS O THE TRASORT OF DAGEROUS GOODS, MAUAL OF TEST AD CRITERIA (Section 38.3: Lithium batteries) Report reference o,...: STR11078218S Tested by (name+ signature)...: ick Dou Approved by (+ signature)...: Ailis Ma Date of issue...: August. 17, 2011 Testing laboratory...:, Address...: 3/F, Jinbao Commerce Building, Xin'an Fanshen Road, Bao'an District, Shenzhen,.R.C. (518101) Testing location...: As above Applicant...: SunBattery Hong Kong Ltd. Address...: Unit 1310, Asia Trade Centre, 79 Lei Muk Road, Kwai Chung, T Hong Kong Manufacturer...: Vision Group(Shenzhen Centre ower Tech, Co, Ltd) Address...: Szcpt, Tongfu Industrial Zone, Dapeng Town, Longgang District, Shenzhen, 518120, China Standard...: Test procedure...: Type approved rocedure deviation...:.a. onstandard test method...:.a. This test report is specially limited to the above client company and product model only, It may not be duplicated without prior written consent of SEM, Test. roduct ame...: Lithium ion battery Trademark...: /A Model/type reference...: Boost ower 1212 Ratings...: 12.8 14.8V, 144Wh(12Ah) Report o,: STR11078218S age 1 of 14

articulars: test item vs. test requirements Classification...: Lithium metal batteries Lithium metal cells Lithium ion batteries Lithium ion cells Samples Type...: Large battery Dimension...: Large cell Small battery Small cell L : 151.0mm W: 100.0mm T : 98.0mm Shape...: rismatic Mass of apparatus...: 1845.5g Ltd Test Item: Test 1: Altitude simulation Co., Test 2: Thermal Test Test 3: Vibration Test 4: Shock Test 5: External short circuit Service Test 6: Impact Test 7: Overcharge ossible test case verdicts: test case does not apply to the test object...: (.A.) test object does meet the requirement...: Compliance (ass) test object does not meet the requirement...: F(ail) Testing: Date of receipt of test item...: July. 29, 2011 Date(s) of performance SEM.Test of test...: July. 29, 2011 August. 17, 2011 Test Conclusion: The Lithium ion battery submitted by SunBattery Hong Kong Ltd. is tested according to Section 38.3 of Amendments to the Fifth Revised Edition of the Recommendations on the Transport of Dangerous Goods, Manual of Test and Criteria (ST/SG/AC.10/11/Rev.5). Test Result: ass. Report o,: STR11078218S age 2 of 14

38.3 Lithium metal and lithium ion batteries 38.3.1 urpose This section presents the procedures to be followed for the classification of Lithium metal and lithium ion cells and batteries. 38.3.2 Scope 38.3.2.1 Lithium metal and lithium ion cells and batteries which differ from a tested type by: a) For primary cells and batteries, a change of more than 0.1 g or 20% by mass, whichever is greater, to the cathode, to the anode, or to the electrolyte. b) For rechargeable cells and batteries, a change in watthours of more than 20% or an increase in voltage of more than 20%. c) A change that would materially affect the test results. Shall be considered a new type and shall be subjected to the required test. 38.3.2.2 For the purposes of classification, the following definitions apply: 38.3.3 When a cell or battery type is to be tested under this subsection, the number and condition of cells and batteries of each type to be tested are as follows: a) When testing primary cells and batteries under tests 1 to 5, the following shall be tested: Ten cells in undischarged states, Ten cells in fully discharged states, Four small batteries in undischarged states, Four small batteries in fully discharged states, Four large batteries in undischarged states Four large batteries in fully discharged states Tests 1 to 5 must be conducted in sequence on the same battery, b) when testing rechargeable cells and batteries under tests 1 to 5 the following shall be tested: Ten cells at first cycle, in fully charged states, Four small batteries at first cycle, in fully charged states. Four small batteries 50 cycle ending in fully charged states. Two large batteries at first cycle, in fully charged states. Two large batteries 25 cycle ending in fully charged states. c) When testing primary and rechargeable cells under test 6(Impact), the following shall be tested in the quantity indicated: For primary cells, five cells in undischarged states and five cells in fully discharged states Report o,: STR11078218S age 3 of 14

For component cells of primary batteries, Five cells in undischarged states and five cells in fully discharged states. For rechargeable cells, five cells at first cycle at 50% of the design rated capacity, For components cells of rechargeable batteries, five cells at first cycle at 50% of the design rated capacity. For prismatic cells, ten test cells are required instead of the five described above, so that the procedure can be carried out on five cells along the longitudinal axes and, separately, five cells along the other axes. In every case, the test cell is only subjected to one impact. d) When testing rechargeable batteries under test 7(Overcharge), the following shall be tested in the quantity indicated: Four small batteries at first cycle, in fully charged states. Four small batteries after 50 cycles ending in fully charged states. Two large batteries at first cycle, in fully charged states, Two large batteries after 25 cycles ending in fully charged states. e) When testing primary and rechargeable cells under test 8(Forced Discharge), the following shall be tested in the quantity indicated: Ten primary cells in fully discharged states Ten rechargeable cells, at first cycle in fully discharged states Ten rechargeable cells after 50 cycles ending in fully discharged states The requirement is not applicable to test batteries. f) when testing a battery assembly in which the aggregate lithium content of all anodes, when fully charged, is not more than 500g, or in the case of a lithium ion battery, with a watthour rating of not more than 6200 Watthours. Report o,: STR11078218S age 4 of 14

38.3.4 rocedure Test 1 to 5 must be conducted in sequence on the same cell or battery. Test 6 and 8 should be conducted using not otherwise tested cells or batteries Test 7 may be conducted using undamaged batteries previously used in tests 1 to 5 for purposes of testing on cycled batteries 38.3.4.1 Test 1: Altitude Simulation 38.3.4.1.1 urpose This test simulates air transport under lowpressure conditions. 38.3.4.1.2 Test procedure stored at a pressure 11.6 ka ambient temperature (20 ± 5 ). 24 Stored times( 6 hours) 8 hours. 38.3.4.1.3 Requirement Cells and batteries meet this requirement if there is no mass loss, no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this The requirement relating to voltage is not applicable to test cells and batteries at fully discharged states. Group o. M1 (before the Group A (at first cycle, in fully charged states) o mass loss, no leakage, no venting, no disassembly, no rupture and no fire. Batteries after testing are not less than 90% of its voltage immediately prior to this OCV (V) Mass M of Test Battery (g) Mass M2 Loss OCV1 OCV2 OCV (after the (before the (after the limit ( 90%) (0.1%) 01 1845.504g 1845.504g 0.00% 14.75 14.75 100.0% 02 1845.502g 1845.502g 0.00% 14.72 14.72 100.0% 03 1845.510g 1845.510g 0.00% 14.77 14.77 100.0% 04 1845.506g 1845.506g 0.00% 14.73 14.73 100.0% 05 1845.498g 1845.498g 0.00% 14.76 14.76 100.0% Group B (after fifty 06 1845.501g 1845.501g 0.00% 14.72 14.72 100.0% cycles ending in fully charged states) 07 1845.499g 1845.499g 0.00% 14.75 14.75 100.0% 08 1845.502g 1845.502g 0.00% 14.73 14.73 100.0% Remark 1. Mass loss (%)=(M1M2)/M1*100% (Where M 1 is the mass before the test and M 2 is the mass after the 2. When mass loss does not exceed the value in Table: Mass loss limit, it shall be considered as "no mass loss". 3. The OCV of each test cell after testing is not less than 90% of its voltage immediately prior to this 4. Ambient temperature: 24 Conclusion: Lithium ion battery had passed altitude simulation test. Report o,: STR11078218S age 5 of 14

38.3.4.2 Test 2: Thermal Test 38.3.4.2.1 urpose This test assesses cell and battery seal integrity and internal electrical connections. The test is conducted using rapid and extreme temperature changes. 38.3.4.2.2 Test procedure Test temperature and stored hours 1) 75, 6h 2) 40, 6h The maximum time interval Between test temperature extremes is 30 minutes. Test times repeated 10 times After which all test cells and batteries are to be stored 24 for 24 hours at ambient temperature (20±5 ) For large cells and batteries the duration of exposure to the test temperature extremes should be at least 12 hours. Small batteries 38.3.4.2.3 Requirement Cells and batteries meet this requirement if there is no mass loss, no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this The requirement relating to voltage is not applicable to test cells and batteries at fully discharged states. Group o. M1 (before the Group A (at first cycle, in fully charged states) o mass loss, no leakage, no venting, no disassembly, no rupture and no fire. Batteries after testing are not less than 90% of its voltage immediately prior to this OCV (V) Mass M of Test Battery (g) Mass M2 Loss OCV1 OCV2 OCV (after the (before the (after the limit ( 90%) (0.1%) 01 1845.504g 1845.052g 0.024% 14.75 14.68 99.52% 02 1845.502g 1845.037g 0.025% 14.72 14.66 99.59% 03 1845.510g 1845.072g 0.023% 14.77 14.64 99.11% 04 1845.506g 1845.012g 0.026% 14.73 14.66 98.52% 05 1845.498g 1845.027g 0.025% 14.76 14.64 99.18% Group B (after fifty 06 1845.501g 1845.015g 0.026% 14.72 14.63 99.38% cycles ending in fully charged states) 07 1845.499g 1845.024g 0.025% 14.75 14.66 99.38% 08 1845.502g 1845.016g 0.026% 14.73 14.61 99.18% Remark 1. Mass loss (%)=(M1M2)/M1*100% (Where M 1 is the mass before the test and M 2 is the mass after the 2. When mass loss does not exceed the value in Table: Mass loss limit, it shall be considered as "no mass loss". 3. The OCV of each test cell after testing is not less than 90% of its voltage immediately prior to this 4. Ambient temperature: 24 Conclusion: Lithium ion battery had passed thermal test. Report o,: STR11078218S age 6 of 14

38.3.4.3 Test 3: Vibration 38.3.4.3.1 urpose This test simulates vibration during transport. 38.3.4.3.2 Test procedure Cells and batteries are firmly secured to the platform of the vibration machine without distorting the cells in such a manner as to faithfully transmit the vibration. The vibration shall be a sinusoidal waveform with a logarithmic Duration 15min Frequency range 7Hz...200Hz...7Hz Amplitude 0.8mm This cycle shall be repeated 12 times for a total of 3 hours for each of three mutually perpendicular mounting positions of the cell. 38.3.4.3.3 Requirement Cells and batteries meet this requirement if there is no mass loss, no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this The requirement relating to voltage is not applicable to test cells and batteries at fully discharged states. Group o. M1 (before the Group A (at first cycle, in fully charged states) o mass loss, no leakage, no venting, no disassembly, no rupture and no fire. Batteries after testing are not less than 90% of its voltage immediately prior to this OCV (V) Mass M of Test Battery (g) Mass M2 Loss OCV1 OCV2 OCV (after the (before the (after the limit ( 90%) (0.1%) 01 1845.052g 1845.052g 0.00% 14.68 14.68 100.0% 02 1845.037g 1845.037g 0.00% 14.66 14.66 100.0% 03 1845.072g 1845.072g 0.00% 14.64 14.64 100.0% 04 1845.012g 1845.012g 0.00% 14.66 14.66 100.0% 05 1845.027g 1845.027g 0.00% 14.64 14.64 100.0% Group B (after fifty 06 1845.015g 1845.015g 0.00% 14.63 14.63 100.0% cycles ending in fully charged states) 07 1845.024g 1845.024g 0.00% 14.66 14.66 100.0% 08 1845.016g 1845.016g 0.00% 14.61 14.61 100.0% Remark 1. Mass loss (%)=(M1M2)/M1*100% (Where M 1 is the mass before the test and M 2 is the mass after the 2. When mass loss does not exceed the value in Table: Mass loss limit, it shall be considered as "no mass loss". 3. The OCV of each test cell after testing is not less than 90% of its voltage immediately prior to this 4. Ambient temperature: 24 Conclusion: Lithium ion battery had passed vibration test. Report o,: STR11078218S age 7 of 14

38.3.4.4 Test 4: Shock 38.3.4.4.1 urpose This test simulates possible impacts during transport. 38.3.4.4.2 Test procedure Test cells and batteries shall be secured to the testing machine by means of a rigid mount which will support This is small batteries. all mounting surfaces of each test battery. a halfsine shock of peak acceleration 150 g n ulse duration 6ms the positive direction followed three times shocks Each cell or battery shall be subjected to three shocks in the positive direction followed by three shocks in the negative direction of three mutually perpendicular mounting positions of the cell or battery for a total of 18 shocks. 38.3.4.4.3 Requirement Cells and batteries meet this requirement if there is no mass loss, no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this The requirement relating to voltage is not applicable to test cells and batteries at fully discharged states. Group o. M1 (before the Group A (at first cycle, in fully charged states) o mass loss, no leakage, no venting, no disassembly, no rupture and no fire. Batteries after testing are not less than 90% of its voltage immediately prior to this OCV (V) Mass M of Test Battery (g) Mass M2 Loss OCV1 OCV2 OCV (after the (before the (after the limit ( 90%) (0.1%) 01 1845.052g 1845.052g 0.00% 14.68 14.68 100.0% 02 1845.037g 1845.037g 0.00% 14.66 14.66 100.0% 03 1845.072g 1845.072g 0.00% 14.64 14.64 100.0% 04 1845.012g 1845.012g 0.00% 14.66 14.66 100.0% 05 1845.027g 1845.027g 0.00% 14.64 14.64 100.0% Group B (after fifty 06 1845.015g 1845.015g 0.00% 14.63 14.63 100.0% cycles ending in fully charged states) 07 1845.024g 1845.024g 0.00% 14.66 14.66 100.0% 08 1845.016g 1845.016g 0.00% 14.61 14.61 100.0% Remark 1. Mass loss (%)=(M1M2)/M1*100% (Where M 1 is the mass before the test and M 2 is the mass after the 2. When mass loss does not exceed the value in Table: Mass loss limit, it shall be considered as "no mass loss". 3. The OCV of each test cell after testing is not less than 90% of its voltage immediately prior to this 4. Ambient temperature: 24 Conclusion: Lithium ion battery had passed shock test. Report o,: STR11078218S age 8 of 14

38.3.4.5 Test 5: External Short Circuit 38.3.4.5.1 urpose This test simulates an external short circuit. 38.3.4.5.2 Test procedure The cell or battery to be tested shall be temperature stabilized so that its external case temperature reaches 55 Short circuit condition with a total External resistance of less than 0.1ohm The cell or battery must be observed for a further six hours for the test to be concluded. This short circuit condition is continued for at least one hour after the cell or battery external case temperature has returned to 55 38.3.4.5.3 Requirement Group Group A (at first cycle, in fully charged states) Group B (after fifty cycles ending in fully charged states) Cells and batteries meet this requirement if their external temperature does not exceed 170 and there is no disassembly, no rupture and no fire within six hours of this test. Ambient temperature: 24 Conclusion: Batteries external temperature does not exceed 170, and there is no disassembly, no fire and no rupture within six hours of this test. o. External Highest Temperature ( ) Criteria Result 01 55.3 Batteries external temperature does not exceed 170, and there is no disassembly, 02 55.2 no fire and no rupture within six hours of this 03 55.3 test. 04 55.1 05 55.4 06 55.1 07 55.3 08 55.2 Lithium ion battery had passed external short circuit test. Report o,: STR11078218S age 9 of 14

The test sample 38.3.4.6 Test 6: Impact Component cell of rechargeable batteries. 38.3.4.6.1 urpose This test simulates an impact. 38.3.4.6.2 Test procedure Dropped height 61±2.5cm, mass 9.1Kg diameter bar 15.8mm Impact position: rismatic cell is to be impacted with its longitudinal axis parallel to the flat surface and perpendicular to the longitudinal axis of the 15.8 mm diameter curved surface lying across the centre of the test sample, rismatic cell is also to be rotated 90 degrees around its longitudinal axis so that both the wide and narrow sides will be subjected to the impact. A coin or button cell is to be impacted with the flat surface of the sample parallel to the flat surface and the 15.8 mm diameter curved surface lying across its centre. 38.3.4.6.3 Requirement Group Group A, at first cycle at 50% of the design rated capacity (Horizontal) Group B, at first cycle at 50% of the design rated capacity (Vertical) Cells and component cells meet this requirement if their external temperature does not exceed 170 and there is no disassembly and no fire within six hours of this test. 18 28.2 Ambient temperature: 24.0 Conclusion: After the test, The, component Cells external temperature does not exceed 170 and there is no disassembly and no fire within six hours of this test. o. Component cells external temperature ( ) Criteria Result 09 28.8 Cells external temperature does not exceed 170, and there is no disassembly, no fire 10 28.4 and no rupture within six hours of this test 11 28.9 12 28.7 13 28.6 14 28.4 15 28.9 16 28.6 17 28.3 Lithium ion battery had passed Impact test. Report o,: STR11078218S age 10 of 14

38.3.4.7 Test 7: Overcharge 38.3.4.7.1 urpose This test evaluates the ability of a rechargeable battery to withstand an overcharge condition. 38.3.4.7.2 Test procedure 2 12=24Ah, Twice the The charge current manufacturer's recommended maximum continuous charge current The minimum voltage of the test: a) The minimum voltage of the test (The manufacturer s recommended charge voltage is not 22V more than 18V). b) The minimum voltage of the test (The manufacturer s recommended charge voltage is more than 18V). Ambient temperature. 24 The duration of the test. 24 hours 38.3.4.7.3 Requirement Rechargeable batteries meet this requirement if there is no disassembly and no fire within seven days of the test. There is no disassembly and no fire within seven days of the test. Group o. Criteria Result 01 There is no disassembly and no fire within seven days of the test. Group A 02 (at first cycle, in fully charged 03 states) 04 Group B (after fifty cycles ending in fully charged states) Ambient temperature: 24 Conclusion: 05 06 07 08 Lithium ion battery had passed overcharge test. Report o,: STR11078218S age 11 of 14

38.3.4.8 Test 8: Forced discharge 38.3.4.8.1 urpose This test evaluates the ability of a primary or a rechargeable cell to withstand a forced discharge condition. 38.3.4.8.2 Test procedure Each cell shall be forced discharged at ambient temperature by connecting it in series with a 12 V DC, power supply at an initial current equal to the maximum discharge current specified by the manufacturer. The specified discharge current is to be obtained by connecting a resistive load of the appropriate size and rating in series with the test cell, Each cell shall be forced discharged for a time interval (in hours) equal to its rated capacity divided by the initial test current (in ampere) 38.3.4.8.3 Requirement rimary or rechargeable cells meet this requirement if there is no disassembly and no fire within seven days of the test. Report o,: STR11078218S age 12 of 14

hotos Model: Boost ower 1212 Report o,: STR11078218S age 13 of 14

*** End of Report *** Report o,: STR11078218S age 14 of 14