NOTE: Contains important information on the safe use of Lithium Polymer Batteries. Be sure to read it carefully before you use Lithium Polymer (Lipo) cells or batteries for the first time.


1.1 First Charge

Please do not use the new batteries directly, fully charge it first with the specific Lipo balance-charger.

1.2 Charger

Use specific Lipo balance-charger only. Other types of chargers are not recommended to charge our batteries.

1.3 Charging Current

Never charge batteries with the current over the maximum charging current which was regulated by specifications. Higher settings may lead to charging insufficiency, inferior in performance, heating and even leakage.

1.4 Charging Voltage

Allow lithium batteries to cool fully before re-charging. Charge lithium batteries at no more than 4.20v per cell. As for battery pack in series, please choose balance charging or charge each cell respectively. Series charging is not recommended.

1.5 Charging Temperature 

Batteries must be changed at a place within the temperature ranged from 15c to 35c or it may lead to the reduction of charging and discharging efficiency, charging insufficiency.

1.6 Reverse Charging is Prohibited. 

Please correctly connect the positive (+) and negative (-) electrode of the battery, and strictly avoid reverse charging. Otherwise, the battery would not be chargeable. Meanwhile, reverse charging will reduce the charging & discharging performance and security of the battery, even resulting in heating or leakage.

1.7 Disposal of Abnormal Phenomena While Charging

If there's any abnormal condition occurs during charging process, please discontinue the charging process immediately and consult relevant professionals.


2.1 Checking Voltage

Please check the voltage of the pack before using. The voltage difference between an two cells should not be too huge, if withing 30mV, no need to charge. If between 30mV-100mV, recharging is advised. If the voltage difference of the two cells is too huge beyond 100mV, re-charging is required before usage. Due to the one with the lower voltage may happen to over-discharge while using, causing battery swelling, heating, and finally deteriorating the performance and shortening the cycle life.

2.2 Discharging Current

Never discharge batteries with the current over the designed maximum continuous discharging current which was regulated in relevant specifications, or the performance may be deteriorated and cycle life be shortened, causing overheating and even swelling, breakage, internal short-circuit, etc.

2.3 Discharging Temperature

If the surface temperature exceeds 65c while functioning, the battery should be suspended until it cools down to ambient temperature naturally. Higher temperature may result in battery swelling and performance deterioration.

2.4 Cut-Off Voltage

Please make sure the cut-ff voltage is not lower than 3.0V, we highly recommend not lower than 3.3V, otherwise battery's performance may be severely affected because of over-discharging.


3.1 Transportation

Please avoid severe vibration, shocks, extrusions and high temperature during batteries' transportation, and please do take care while carrying them. All batteries should be packed by soft materials for protection.

3.2 Long-Term Storage

If storing for a long time, batteries must be stored at about 3.8V/cell (approximately 50% charged)/ in the semi-electric status (about 3.8V). Do regularly charge & discharge them for maintenance (about 1-3 times every 3 months).

3.3 Storage Environment

Do store batteries at a place with low-humidity and free from corrosive gas within the temperature ranged from -20C to +40c.


4.1 Crashing, hitting, bending and short-circuit batteries are prohibited.

4.2 Under any circumstances disassembly of batteries is prohibited.

4.3 Do not throw batteries into fire or soak batteries in any liquid.

4.4 Do not store lithium batteries in car or other container that may get hot.

4.5 Always land your model when the power starts to reduce.

4.6 The replacement of bare cells should be conducted by the supplier rather than the user.

4.7 Used or damaged batteries shouldn't be discarded at random, but should be handed to specific Hazardous Waste Facility for disposal.

4.8 Store lithium batteries in a part charged state and out of the way or children.

The Armory (Kypom) lithium polymer batteries have earned an excellent reputation for reliability when correctly used. Unfortunately because of the potential for damage to lithium polymer cells, no warranty is offered or implied with lithium polymer battery packs. If you have any questions at all about the responsible use of lithium polymer battery packs please do contact us.

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